Choline and Inositol are members of the B-vitamin family. Choline is found in most animal tissues and is necessary for normal synaptic transmission and brain health. In addition, Choline is involved in fatty acid metabolism in the liver. Inositol is also essential for brain and nervous system health. Both Choline and Inositol are essential components of all cell membranes, where they function as cell signaling molecules. Our NOW natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 1968, NOW has been making top quality products that are tested to the highest standards to empower people to lead healthier lives. Our promise - what is on the label, is precisely what is in the bottle.